نتایج جستجو برای: 1388 were studied initially
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rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...
نقش و جایگاه ولایت فقیه در نظام جمهوری اسلامی ایران و قانون اساسی آن از اهمیتی بسیار بالا برخوردار است. به همین دلیل در قانون اساسی، اصولی را به وظایف و اختیارات رهبری در ایران اختصاص داده اند. از جمله وظایف رهبری حل معضلات نظام و جلوگیری از تشتت و اختلاف و حفظ ثبات در جامعه می باشد. هدف پژوهش حاضر، بررسی «نقش ولایت فقیه در انسجام و ثبات سیاسی ـ اجتماعی جمهوری اسلامی ایران، با تأکید بر بحران بع...
Adoption of mobile services and m-business outcomes has not yet reached expectations. The uncertainties in m-commerce are still many occasioning a need to explore challenges and opportunities. This study provides empirical data on perceptions of value proposition in m-commerce from the supplier as well as the demand side. The first is addressed in an interview study with newspaper publishers th...
HAKIJTA, KEKJI. Degree of Bilingualism and Cognitioe Ability in Mainland Puerto Rican Children. CHILD DEVELOPMENT, 1987,58,1372-1388. The relation between degree of bilingualism and cognitive ability was assessed longitudinally in low-income background Puerto Rican elemenschool children in the United States. AI1 subjects were enrolled in a transitional bilingual education program. 83 subjects, ...
in this thesis,spin dependend transport and electron transport through of ng/sg(graphene/ superconductor graphen) are studied in the junction of ng/fgt/sg. due to andreev reflection conductance increases in the presence of superconductor graphene.also, by applying a voltage gate on a superconductor, fermi level shifts and the conductance is independent of ferromagnatic substrate. also, the cond...
Expression of Concern. Tub Has a Key Role in Insulin and Leptin Signaling and Action In Vivo in Hypothalamic Nuclei. Diabetes 2013;62:137–148. DOI: 10.2337/db11-1388 DOI: 10.2337/db16-ec04 Patrícia O. Prada, Paula G.F. Quaresma, Andrea M. Caricilli, Andressa C. Santos, Dioze Guadagnini, Joseane Morari, Laís Weissmann, Eduardo R. Ropelle, José Barreto C. Carvalheira, Lício A. Velloso, and Mario ...
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